package com.atguigu.gulimall.auth.controller;

import com.alibaba.fastjson.TypeReference;
import com.atguigu.common.constant.AuthServerConstant;
import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import com.atguigu.common.vo.MemberRespVo;
import com.atguigu.gulimall.auth.feign.MemberFeignService;
import com.atguigu.gulimall.auth.feign.ThirdPartFeignService;
import com.atguigu.gulimall.auth.vo.UserLoginVo;
import com.atguigu.gulimall.auth.vo.UserRegistVo;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.validation.BindingResult;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.servlet.http.HttpSession;
import javax.validation.Valid;
import java.util.HashMap;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@Controller
public class LoginController {
    @Autowired
    private ThirdPartFeignService thirdPartFeignService;
    @Autowired
    private StringRedisTemplate redisTemplate;
    @Autowired
    private MemberFeignService memberFeignService;
    @GetMapping("/sms/sendcode")
    @ResponseBody
    public R sendCode(@RequestParam("phone") String phone){
        String redis = redisTemplate.opsForValue().get(AuthServerConstant.SMS_CODE_CACHE_PREFIX + phone);
        if (!StringUtils.isEmpty(redis)){
            long l = Long.parseLong(redis.split("_")[1]);
            if (System.currentTimeMillis()-l<60000){
                return R.error(BizCodeEnum.SMS_CODE_EXCEPTION.getCode(),BizCodeEnum.SMS_CODE_EXCEPTION.getMsg());
            }
        }
        String code = UUID.randomUUID().toString().replaceAll("[^0-9]", "").substring(0, 6);
        String rediscode = code+"_"+System.currentTimeMillis();
        redisTemplate.opsForValue().set(AuthServerConstant.SMS_CODE_CACHE_PREFIX +phone,rediscode,10, TimeUnit.MINUTES);
        thirdPartFeignService.sendCode(phone,code);
        return R.ok();
    }
    @PostMapping("/regist")
    public String regist(@Valid UserRegistVo vo, BindingResult result, RedirectAttributes attributes){
        System.out.println(vo);
        if (result.hasErrors()){
            Map<String, String> errors = result.getFieldErrors().stream().collect(Collectors.toMap(FieldError::getField, FieldError::getDefaultMessage));
//            attributes.addAttribute("errors",errors);
            attributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.xiaochao.love/reg.html";
        }
        System.out.println("通过鉴权");
        String code = vo.getCode();
        String s = redisTemplate.opsForValue().get(AuthServerConstant.SMS_CODE_CACHE_PREFIX + vo.getPhone());
        System.out.println(s);
        if (!StringUtils.isEmpty(s)){
                if (code.equals(s.split("_")[0])){
                    redisTemplate.delete(AuthServerConstant.SMS_CODE_CACHE_PREFIX + vo.getPhone());
                    R r = memberFeignService.regist(vo);
                    if (r.getCode()==0){
                        return "redirect:http://auth.xiaochao.love/login.html";
                    }else {
                        Map<String, String> errors =new HashMap<>();
                        errors.put("msg",r.getData("msg",new TypeReference<String>(){}));
                                attributes.addFlashAttribute("errors",errors);
                        return "redirect:http://auth.xiaochao.love/reg.html";
                    }
                }else {
                    Map<String, String> errors = new HashMap<>();
                    errors.put("code","验证码错误");
                    attributes.addFlashAttribute("errors",errors);
                    return "redirect:http://auth.xiaochao.love/reg.html";
            }
        }else {
            Map<String, String> errors = new HashMap<>();
            errors.put("code","验证码错误");
            attributes.addFlashAttribute("errors",errors);
            return "redirect:http://auth.xiaochao.love/reg.html";
        }
    }
    @PostMapping("/login")
    public String login(UserLoginVo vo, RedirectAttributes redirectAttributes, HttpSession session){
        System.out.println("登录");
        R login = memberFeignService.login(vo);
       if (login.getCode()==0){
           MemberRespVo data = login.getData("data", new TypeReference<MemberRespVo>() {
           });
           session.setAttribute(AuthServerConstant.LOGIN_USER,data);
           System.out.println("跳转到首页");
           return "redirect:http://www.xiaochao.love";
       }else {
           Map<String,String> errors=new HashMap<>();
           errors.put("msg",login.getData("msg",new TypeReference<String>(){}));
           redirectAttributes.addFlashAttribute("errors",errors);
           System.out.println("跳转到注册");
           return "redirect:http://auth.xiaochao.love/login.html";
       }

    }
    @GetMapping("/login.html")
    public String loginPage(HttpSession session){
        Object attribute = session.getAttribute(AuthServerConstant.LOGIN_USER);
        if (attribute==null){
            return "login";
        }else {
            return "redirect:http://www.xiaochao.love";
        }

    }
}
